static void part1()
{
int answerCount = 0;
var input = InputFetcher.GetInputAsString(InputFetcher.day6p1);
var groups = input.Split(new string[] { "\r\n\r\n" },
StringSplitOptions.RemoveEmptyEntries);
foreach (var group in groups)
{
var asnwers = string.Join(',', group.Replace("\r\n", ""));
answerCount += asnwers.Distinct().Count();
}
Console.WriteLine($"Unique answers: {answerCount}");
}
static void part2()
{
int answerCount = 0;
var input = InputFetcher.GetInputAsString(InputFetcher.day6p1);
var groups = input.Split(new string[] { "\r\n\r\n" },
StringSplitOptions.RemoveEmptyEntries);
foreach (var group in groups)
{
var answers = group.Split(new string[] { "\r\n" },
StringSplitOptions.RemoveEmptyEntries).ToList();
List <List <char> > generated = answers.Select(l => l.Select(c => c).ToList()).ToList();
var intersection = generated.Aggregate((previousList, nextList) => previousList.Intersect(nextList).ToList());
answerCount += intersection.Select(c => c).Count();
}
Console.WriteLine($"Unique answers: {answerCount}");
}
private static void RunPart2()
{
var validPassportCounter = 0;
var input = InputFetcher.GetInputAsString(InputFetcher.day4p1);
var passports = input.Split(new string[] { "\r\n\r\n" },
StringSplitOptions.RemoveEmptyEntries);
foreach (var passport in passports)
{
var pass = new Passport(passport);
if (pass.IsValid())
{
validPassportCounter++;
}
}
Console.WriteLine($"PArt 2: Number of valid passports: {validPassportCounter}");
}